Match the following option:

A. Bitumen	(i) obtaining by-products of petroleum
B. Carbonization	(ii) used in road construction
C. Fractional Distillation	(iii) burning of coal in absence of air
D. Fossil Fuel	(iv) all fossil fuels
E. Exhaustible natural resources	(v) coal, petroleum, natural gas

Fossil fuels are ________, ________ and ________.

Process of separation of different constituents from petroleum is called __________.

Least polluting fuel for vehicle is ________.

Fossil fuels can be made in the laboratory.

CNG is more polluting fuel than petrol.

Coke is almost pure form of carbon.

Coal-tar is a mixture of various substances.

Kerosene is not a fossil fuel.

Explain why fossil fuels are exhaustible natural resources?

Describe characteristics and uses of coke.